WinPFGW 3.7.10:
2^99761-4045 is 3-PRP! (5.2616s+0.0005s)
2^99868-4047 is 3-PRP! (5.2571s+0.0004s)
2^151326-4031 is 3-PRP! (12.7871s+0.0003s)
2^180446-4031 is 3-PRP! (18.2326s+0.0004s)
2^174698-4055 is 3-PRP! (17.5935s+0.0004s)
2^182768-4055 is 3-PRP! (18.4666s+0.0004s)
2^107222-4061 is 3-PRP! (5.7293s+0.0004s)
2^112582-4061 is 3-PRP! (7.2846s+0.0004s)

To be completed...